Intes MK-65 Mak-Cass 6" f/10 optical tube. Includes 6x30 finder, telrad, smooth crayford focuser, 1/4-20 mounting plate. Optics are excellent, great planetary and deep sky images in a very portable package. Tube has just a couple small flaws in the paint, otherwise excellent condition. $495 plus actual shipping. Money order, cashier's check or paypal (+2% to help cover their fees).